On a right triangle, if a = 3.5 and b = 7.9, what is the measure of c? * 10 points
74.7
8.6
50.2
7.1

Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?

Ineed with number 6 , explain how to get 1978

Write the pair of fractions as a pair of fractions with a common denominator